51401276 has 12 divisors (see below), whose sum is σ = 90103272. Its totient is φ = 25657488.

The previous prime is 51401269. The next prime is 51401279. The reversal of 51401276 is 67210415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51401279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030 + ... + 12933.

It is an arithmetic number, because the mean of its divisors is an integer number (7508606).

Almost surely, 2^51401276 is an apocalyptic number.

It is an amenable number.

51401276 is a deficient number, since it is larger than the sum of its proper divisors (38701996).

51401276 is a wasteful number, since it uses less digits than its factorization.

51401276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21580 (or 21578 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 51401276 is about 7169.4683205939. The cubic root of 51401276 is about 371.8130540228.

The spelling of 51401276 in words is "fifty-one million, four hundred one thousand, two hundred seventy-six".